INCOME TAXES - Tax Reform (Details) - USD ($) $ in Millions	3 Months Ended	4 Months Ended	6 Months Ended	12 Months Ended
	Apr. 29, 2018	Apr. 29, 2018	Apr. 29, 2018	Oct. 28, 2018	Dec. 31, 2017
U.S. Tax Reform
Corporate federal statutory tax rate (as a percent)		21.00%			35.00%
Deemed repatriation tax payment period			8 years
Net deferred tax asset remeasurement	$ (177)		$ 539
Deemed earnings repatriation tax	3		264
Total discrete tax expense (benefit)	(174)		803
Forecasted
U.S. Tax Reform
Corporate federal statutory tax rate (as a percent)				23.30%
Pension and Other Postretirement | U.S.
U.S. Tax Reform
Defined benefit plan approved voluntary employer contributions	1,000	$ 1,000	1,000
Equipment Operations
U.S. Tax Reform
Net deferred tax asset remeasurement	(158)		853
Deemed earnings repatriation tax	(49)		179
Total discrete tax expense (benefit)	(207)		1,032
Financial Services
U.S. Tax Reform
Net deferred tax asset remeasurement	(19)		(314)
Deemed earnings repatriation tax	52		85
Total discrete tax expense (benefit)	$ 33		$ (229)